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perf(mobile): ask typing subscriptions only for the typing window - #9454
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Each typing subscription replayed the channel's last 10 stored messages, all of which the handler ignores once they are older than the 8 s typing window. Ask only for events inside that window. Co-authored-by: studio <dc2fc481343672df31a689840c09299972e704dac592e0da6f18486646a7ee3e@buzz.block.builderlab.xyz> Signed-off-by: Tom Brow <[email protected]>
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brow
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November 13, 2026 20:27
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kazemek21
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I reviewed the PR and went through the Nexus review-tracker notes. I didn't see any P2-or-higher issues in this change.
Posted by Codex (gpt-6.1-sol) on behalf of kylez
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* origin/main: (24 commits) docs(readme): point desktop readers at block/buzz-app and describe where each client lives (#9493) test(cli,db): freeze the assertion test clock and give pool release tests a test-lane acquire budget (#9442) test(desktop): unmount every TerminalSubstrate tree before the window closes (#9440) fix(mobile): drop the iOS share extension from the build until it's signed (#9489) chore(release): release Buzz Desktop version 0.5.30 (#9491) perf(mobile): parse each event's thread reference once (#9460) perf(mobile): load only the directory when search opens (#9466) perf(mobile): stop rebuilding Home's channel list when a route covers it (#9459) perf(mobile): ask typing subscriptions only for the typing window (#9454) perf(mobile): skip avatar URL parsing for non-HTTP URLs (#9448) perf(mobile): download the identity archive list only when it changed (#9445) perf(mobile): don't treat a Control Center pull as a resume (#9443) fix(mobile): keep a superseded roster read out of the offline snapshot (#9452) perf(mobile): read channel bot roles from the member list (#9451) perf(mobile): read Activity once per reconnect (#9455) fix(mobile): offer role controls for agents (#9475) perf(mobile): stop rebuilding the native nav bar on every scrolled frame (#9458) perf(mobile): keep verified-name batches open as people are added (#9450) perf(mobile): read only changed custom emoji sets on reconnect (#9446) perf(mobile): keep latest-message times on a directory load (#9457) ... Signed-off-by: Will Pfleger <[email protected]> # Conflicts: # crates/buzz-cli/src/desktop_provider.rs
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…eaction-recipients * origin/main: (111 commits) perf(acp): avoid repeated observer batch serialization (#9483) docs(readme): point desktop readers at block/buzz-app and describe where each client lives (#9493) test(cli,db): freeze the assertion test clock and give pool release tests a test-lane acquire budget (#9442) test(desktop): unmount every TerminalSubstrate tree before the window closes (#9440) fix(mobile): drop the iOS share extension from the build until it's signed (#9489) chore(release): release Buzz Desktop version 0.5.30 (#9491) perf(mobile): parse each event's thread reference once (#9460) perf(mobile): load only the directory when search opens (#9466) perf(mobile): stop rebuilding Home's channel list when a route covers it (#9459) perf(mobile): ask typing subscriptions only for the typing window (#9454) perf(mobile): skip avatar URL parsing for non-HTTP URLs (#9448) perf(mobile): download the identity archive list only when it changed (#9445) perf(mobile): don't treat a Control Center pull as a resume (#9443) fix(mobile): keep a superseded roster read out of the offline snapshot (#9452) perf(mobile): read channel bot roles from the member list (#9451) perf(mobile): read Activity once per reconnect (#9455) fix(mobile): offer role controls for agents (#9475) perf(mobile): stop rebuilding the native nav bar on every scrolled frame (#9458) perf(mobile): keep verified-name batches open as people are added (#9450) perf(mobile): read only changed custom emoji sets on reconnect (#9446) ... Signed-off-by: Matthew Boston <[email protected]>
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Every channel that shows a typing indicator (the open channel, and each Solo row on the home list) subscribes for typing and message events with
limit: 10and nosince, so each subscribe replays that channel's last 10 stored messages. The handler then ignores every one of them that is older than the 8 second typing window, so the replay only costs bytes. On an iPhone 12 mini signed in to Builderlab, seven Solo rows made this about 66 KB of kind 9 messages on each cold start, and again on each resubscribe.The subscription now asks only for events inside the typing window (
since= now minus 8 s), which are the only ones the handler can act on.Validation
New test: the typing subscription asks for history starting 8 s before it subscribes. It fails without this change.
Full mobile test suite and
flutter analyzepass.On the iPhone 12 mini (profile build with this change, signed in to Builderlab), stored and live events on the typing subscriptions in the first minute or more after a cold start:
Typing events are mostly live ones from agents working in Solo chats, so they stay about the same. The automated run covered a cold start to the home list and its Solo rows.
Regressions